# A174494 (b-file synthesized from sequence entry) 1 1 2 4 3 28 4 274 5 3400 6 50734 7 880312 8 17357736 9 382463824 10 9298086490 11 246914949376 12 7104423326356 13 220000621675912 14 7290852811359654 15 257332393857067720 16 9632914084301343304 17 381050245422453157408